Multiple choice

Choose the term from the given alternatives which is the worng term of the series. 5 , 6 , 14 , 41, 105 , 231

  1. 14

  2. 41

  3. 105

  4. 231

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The series is: 5×2-4=6, 6×2+2=14, 14×3-1=41, 41×2.5+?=? Actually: 5, 6, 14, 41, 105, 231. Pattern: differences are 1, 8, 27, 64 which are 1³, 2³, 3³, 4³. So next difference should be 5³=125, giving 105+125=230. But we have 231. If 231 is wrong term, then actual next should be 230. So 231 doesn't fit the pattern.